/* ==================
          布局
 ==================== */

/*  -- flex弹性布局 -- */

.flex {
	display: flex;
}

.basis_xs {
	flex-basis: 20%;
}

.basis_sm {
	flex-basis: 40%;
}

.basis_df {
	flex-basis: 50%;
}

.basis_lg {
	flex-basis: 60%;
}

.basis_xl {
	flex-basis: 80%;
}

.flex_sub {
	flex: 1;
}

.flex_twice {
	flex: 2;
}

.flex_treble {
	flex: 3;
}

.flex_direction {
	flex-direction: column;
}

.flex_wrap {
	flex-wrap: wrap;
}

.align_start {
	align-items: flex-start;
}

.align_end {
	align-items: flex-end;
}

.align_center {
	align-items: center;
}

.align_stretch {
	align-items: stretch;
}

.self_start {
	align-self: flex-start;
}

.self_center {
	align-self: flex-center;
}

.self_end {
	align-self: flex-end;
}

.self_stretch {
	align-self: stretch;
}

.align_stretch {
	align-items: stretch;
}

.justify_start {
	justify-content: flex-start;
}

.justify_end {
	justify-content: flex-end;
}

.justify_center {
	justify-content: center;
}

.justify_between {
	justify-content: space-between;
}

.justify_around {
	justify-content: space-around;
}
.color_333{
    color: #333333;
}